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Re: [XHR] chunked requests

From: Wenbo Zhu <wenboz@google.com>
Date: Sun, 11 Dec 2011 23:45:00 -0800
Message-ID: <CAD3-0rNSFGG9Yv40Kccgpxhth5--SVnHieU1Qi23Bstw7YcCMg@mail.gmail.com>
To: Charles Pritchard <chuck@jumis.com>
Cc: WebApps WG <public-webapps@w3.org>, Ian Hickson <ian@hixie.ch>
On Thu, Dec 8, 2011 at 2:36 PM, Charles Pritchard <chuck@jumis.com> wrote:

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> On Dec 8, 2011, at 1:04 PM, Wenbo Zhu <wenboz@google.com> wrote:
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> On Wed, Dec 7, 2011 at 6:04 PM, Charles Pritchard < <chuck@jumis.com>
> chuck@jumis.com> wrote:
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>> **
>> I think the Web Sockets spec is intended for client to server sessions
>> like this.
>>
> WebSocket protocol isn't yet well-supported by proxies. Besides, all we
> need here is a throwaway RPC-like request/response, and it's a bit heavy
> duty to use WebSocket for this use case.
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> Isn't a chunked stream the anti-thesis of RPC?
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Streaming request or response does not imply bi-directional messaging, i.e.
the (non-RPC) semantics of WebSocket.


> It looks like you're acknowledging WebSockets works while asking about
> what to do with current web infrastructure. It seems to me that current
> infrastructure is -mostly- Flash based and assumes a level of control over
> input: one can't send arbitrary information as a developer.. It has to be
> directly from a webcam or similar media stream.
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> Do you have specific examples of existing infrastructure you're hoping to
> support?
>
See below.


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>> As for the peer-to-peer communication, I imagine the WebRTC group is
>> where you'll see more activity on this issue.
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> WebRTC is mostly peer-to-peer UDP (e.g. RTP), and the client-to-client
> communication has nothing to do with either HTTP or WebSocket.
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> And MediaStream/Stream, which has to so with your request.
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Not sure about the status of this spec. My original email merely tries to
show the need to process/post data locally ...
http://developers.whatwg.org/video-conferencing-and-peer-to-peer-communication.html#video-conferencing-and-peer-to-peer-communication


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> I don't know that arbitrary binary data is on their agenda -- I hope it is
>> -- for p2p communication.
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>> On 12/7/11 5:59 PM, Wenbo Zhu wrote:
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>> One use case that we have which is not currently handled by
>> XMLHttpRequest is incrementally sending data that takes a long time to
>> generate _from the client to the server_. For example, if we were to record
>> data from a microphone, we couldn't upload it in real time to the server
>> with the current API.
>>
>>  The MediaStreaming spec also mentioned several use cases which would
>> require streaming request data via an API:
>>  - Sending the locally-produced streams to remote peers and receiving
>> streams from remote peers.
>> - Sending arbitrary data to remote peers.
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>> http://www.whatwg.org/specs/web-apps/current-work/multipage/video-conferencing-and-peer-to-peer-communication.html
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>>  - Wenbo
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Received on Monday, 12 December 2011 08:41:43 GMT

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